7500 | ÷ | ( | x | + | 11 | ) | + | 10000 | ÷ | x | × | 2 | = | 429 |
方程两边同时乘以: | ( | x | + | 11 | ) |
7500 | + | 10000 | ÷ | x | × | 2 | ( | x | + | 11 | ) | = | 429 | ( | x | + | 11 | ) |
7500 | + | 10000 | ÷ | x | × | 2 | x | + | 10000 | ÷ | x | × | 2 | × | 11 | = | 429 | ( | x | + | 11 | ) |
7500 | + | 10000 | ÷ | x | × | 2 | x | + | 10000 | ÷ | x | × | 2 | × | 11 | = | 429 | x | + | 429 | × | 11 |
7500 | + | 20000 | ÷ | x | × | x | + | 220000 | ÷ | x | = | 429 | x | + | 4719 |
方程两边同时乘以: | x |
7500 | x | + | 20000 | ÷ | 1 | × | 1 | x | + | 220000 | = | 429 | x | x | + | 4719 | x |